3,3',4,4'-Benzophenonetetracarboxylic dianhydride Cas 2421-28-5
Product Description
Product Name: 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Synonyms: Benzophenone-3，3'，4，4'-tetracarboxylic dianhydride
CAS No. 2421-28-5
M.F.: C17H6O7
M.W.: 322.23
EINECS: 219-348-1
Specifications
| Item | Specification |
| Appearance | Off-white to Brown Crystalline Powder |
| Assay | ≥98.0% |
| Density | 1,57 g/cm3 |
| Melting Point | 218-222 °C (lit.) |
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Packing & Shipping
FAQ
1. Do you have stock?
As we know, most customers prefer stock, so we will try to keep stock for some products.
2. Could you please provide some samples?
In order to facilitate transaction, it's my pleasure to provide you samples.
3. How should I pay?
We accept various payment terms such as L/C,T/T, Western Union and Money Gram.
4. Is there a discount?
Different quantity has different discount.
5.What's your MOQ?
Different products have different MOQ, such as:
1).Peptide products, the MOQ is 1 gram level
2).Liquid products, the MOQ is usually 50-100ML
3).API, the MOQ is 1KG
4).Intermediate products and conventional product, the MOQ is 1KG; custom-tailored products, the MOQ depends on the production process.
5).Food additives and vitamin, the MOQ is usually one package: such as Vitamin C is 25KG / drum, Vitamin E oil or Vitamin A oil is 5KG/bag;Vitamin E powder or Vitamin A powder is 20KG / cartons.
6).Agrochemical , the MOQ is 1KG, except preparations.
6.How do we take the quality complaint ?
First of all, our quality control will reduce the quality issue to near zero. If there is a quality problem caused by us, we will send you free goods for replacement or compensate your loss.
Company Information
Company profile
Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives, Fine chemicals in distributing the products of our own company and affiliated enterprises, are the members of Hubei E-commerce Chamber.
Our company has professional persons who major in chemical R&D and sicentific management, supply fine chemical products with high quality and close service, also supply custom-tailored products according to our clients’ requirement.
We have a positive and self-motivated management work team with a common philosophy, caring and commitment through teamwork, our team strive to achieve success in delighting our clients and ourselves.
Since Wuhan Fortuna Chemical Co., Ltd founded, we continuously innovate our products and improve our service, sales network. Hence, we initiate the first sale mode on net in China, which is the retail trade of small package bring along wholesale of diversified management modes. Our products are exported widely to South Korea, Vietnam, Australia, Europe and South America, highly recommended by our clients.
We insist on the management creed “Market is our compass, Quality is our life, Credit is our soul”. Clients’ trust is our forward powder, their satisfaction is our struggling goal.
Factory and Lab show
China
